| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary work machine capable of preventing that a work member drops off from a rotation-driving shaft. SOLUTION: This rotary work machine is provided with a rotation-driving shaft 8, a receiving member 11 integrally rotated with the driving shaft 8, a rotary work member 4 mounted on the driving shaft 8, a press member 12 mounted on the driving shaft and used for nipping and fixing the rotary work member 4 between the press member 12 and the receiving member 11, and a dropping-preventing member 18 engaged with both the press member 12 and the driving shaft 8 and used for preventing that the press member 12 drops off from the driving shaft 8. |
